The town of Dolna Banya lies at a distance of 81 km southeast of Sofia. Dolna Banya is a separate municipality with a population of 5 000 inhabitants.

The town is a spa and climate centre. The mineral waters have a capacity of 25 litres per second and a temperature of 55-64^o C. Near the town of Dolna Banya are situated the remains of a fortified wall from XVI c., the Kaleto fortress and a medieval monastery. The settlement is registered in the Ottoman documents from 1576 under the name of Bani.